code: def test_DEFAULT_SERVER_WEBSOCKET_URL() -> None:
      assert (
          bcs.DEFAULT_SERVER_WEBSOCKET_URL == "ws://localhost:5006/ws"
      )
  
file_path: bokeh/tests/unit/bokeh/client/test_session__client.py
imports: from __future__ import annotations
  import pytest
  from unittest.mock import MagicMock, patch
  import bokeh.client.session
label_desc: Use image node_id 2 for calling a global function with example usage: test_DEFAULT_SERVER_WEBSOCKET_URL() without return types